20787588

素因数分解:

$2^2\times 3^2\times {\mathrm{59}}^1\times {\mathrm{9787}}^1$

素因数の和:9856

約数の個数: 36

約数和(自身を含む): 53442480

約数和(自身を除く): 32654892

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 59, 118, 177, 236, 354, 531, 708, 1062, 2124, 9787, 19574, 29361, 39148, 58722, 88083, 117444, 176166, 352332, 577433, 1154866, 1732299, 2309732, 3464598, 5196897, 6929196, 10393794, 20787588]

約数ペア:

[(1, 20787588), (2, 10393794), (3, 6929196), (4, 5196897), (6, 3464598), (9, 2309732), (12, 1732299), (18, 1154866), (36, 577433), (59, 352332), (118, 176166), (177, 117444), (236, 88083), (354, 58722), (531, 39148), (708, 29361), (1062, 19574), (2124, 9787)]